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Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.28 bug fix and security update

🗓️ 11 Aug 2026 08:42:20Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

OpenShift Container Platform 4.21.28 fixes bugs and addresses Important security issues in container images and packages.

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12 Aug 2026 08:01Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.18.5
EPSS0.00231
SSVC
4